Who was clara barton, and why was she significant?

Need it now explain gorbachev’s policy of glasnost. how did this policy change the soviet union?

Which foreign policy initiative countered the spread of soviet influence by restricting the spread of communism? a. roosevelt corollary b. truman doctrine c. nullification proclamation d. good neighbor policy

What was the primary goal of pre-historic man? a. cultural adaptations b. obtaining food c. developing settlements d. peaceful cohabitation